NAICS Code Description


541990 - All Other Professional, Scientific, and Technical Services

Top Businesses by Annual Sales for 541990 – Click for Complete Profiles:

Serco IncDisa Global Solutions Inc
Team IncT D Williamson Inc
Dekra North America IncStratosphere Quality LLC
Checkfree CorporationQuality Integrated Svcs Inc
Disa Holdings CorpBureau Veritas North Amer Inc

This industry comprises establishments primarily engaged in the provision of professional, scientific, or technical services (except legal services; accounting, tax preparation, bookkeeping, and related services; architectural, engineering, and related services; specialized design services; computer systems design and related services; management, scientific, and technical consulting services; scientific research and development services; advertising, public relations, and related services; market research and public opinion polling; photographic services; translation and interpretation services; and veterinary services).

Illustrative Examples:

Appraisal (except real estate) services
Marine surveyor (i.e., appraiser) services
Arbitration and conciliation services (except by lawyer, attorney, or paralegal offices)
Patent broker services (i.e., patent marketing services)
Commodity inspector services
Pipeline or power line inspection (i.e., visual) services
Consumer credit counseling services
Weather forecasting services
Handwriting analysis services


Cross-References. Establishments primarily engaged in--

  • Providing legal services--are classified in Industry Group 5411, Legal Services;
  • Providing accounting, tax preparation, bookkeeping, and payroll services--are classified in Industry Group 5412, Accounting, Tax Preparation, Bookkeeping, and Payroll Services;
  • Providing architectural, engineering, and related services--are classified in Industry Group 5413, Architectural, Engineering, and Related Services;
  • Providing specialized design services--are classified in Industry Group 5414, Specialized Design Services;
  • Providing computer systems design and related services--are classified in Industry Group 5415, Computer Systems Design and Related Services;
  • Providing management, scientific, and technical consulting services--are classified in Industry Group 5416, Management, Scientific, and Technical Consulting Services;
  • Providing scientific research and development services--are classified in Industry Group 5417, Scientific Research and Development Services;
  • Providing advertising and related services--are classified in Industry Group 5418, Advertising, Public Relations, and Related Services;
  • Providing marketing research and public opinion polling--are classified in Industry 541910, Marketing Research and Public Opinion Polling;
  • Providing photographic services--are classified in Industry 54192, Photographic Services;
  • Providing translation and interpretation services--are classified in Industry 541930, Translation and Interpretation Services;
  • Providing veterinary services--are classified in Industry 541940, Veterinary Services; and
  • Providing real estate appraisal services--are classified in Industry 531320, Offices of Real Estate Appraisers.
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2012
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2017
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Index Entries for 541990
541990541990541990Appraisal (except real estate) services
541990541990541990Arbitration and conciliation services (except by attorney, paralegal)
541990541990541990Business brokers (except real estate brokers)
541990541990541990Commodity inspection services
541990541990541990Construction estimation services
541990541990541990Consumer credit counseling services
541990541990541990Credit repair (i.e., counseling) services, consumer
541990541990541990Electronic communication content verification services
541990541990541990Estate assessment (i.e., appraisal) services
541990541990541990Fire extinguisher testing and/or inspection, without sales, service, or installation
541990541990541990Handwriting analysis services
541990541990541990Handwriting expert services
541990541990541990Marine forecasting services
541990541990541990Marine surveyor (i.e., ship appraiser) services
541990541990541990Mediation product services (except by lawyer, attorney, paralegal offices, family and social services)
541990541990541990Meteorological services
541990541990541990Patent broker services (i.e., patent marketing services)
541990541990541990Patrolling (i.e., visual inspection) of electric transmission or gas lines
541990541990541990Pipeline inspection (i.e., visual) services
541990541990541990Power line inspection (i.e., visual) services
541990541990541990Quantity surveyor services
541990541990541990Waterless fire suppression system testing and/or inspection, without sales, service, or installation
541990541990541990Weather forecasting services